#VU28829 Input validation error in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2020-1181
Published: June 9, 2020 / Updated: June 10, 2020
Vulnerability identifier: #VU28829
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-1181
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Foundation
Microsoft SharePoint Server
Microsoft SharePoint Foundation
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to the Microsoft SharePoint Server fails to properly identify and filter unsafe ASP.Net web controls. A remote authenticated attacker can create a specially crafted page and upload an XML file containing an arbitrary Web Part definition, which may result in remote code execution n the context of the service account.
Remediation
Install updates from vendor's website.